S-97619A550 5/8"-11 ASTM A194 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance in harsh environments due to 316 stainless steel construction, reducing maintenance and replacement costs
- Superior load distribution with the extra wide hex profile, minimizing the risk of loosening under high vibration and stress
- High mechanical strength meeting ASTM Grade 8M, ensuring reliable performance in heavy-duty and critical applications
- Easy and quick installation with coarse UNC threading and external hex drive, saving valuable assembly time
- Precise and secure fit with Class 2B thread fit, providing consistent engagement and reducing cross-threading risks
- Long-term durability backed by compliance with ASTM A194 manufacturing standards, guaranteeing product consistency and reliability
- Environmentally responsible sourcing with full RoHS 3 and REACH compliance, meeting global regulatory and safety requirements
Professional Applications & Engineering Value
This heavy-duty hex nut is engineered to address common industrial challenges such as corrosion, vibration-induced loosening, and high-stress fatigue. The 316 stainless steel material offers outstanding resistance to corrosive elements, making it ideal for marine, chemical processing, and outdoor infrastructure applications. Its extra wide profile and coarse UNC thread design enhance grip and distribute loads more effectively, preventing joint failure in machinery, structural steel connections, and transportation equipment. The Class 2B thread fit ensures smooth assembly with standard bolts, reducing installation errors and improving operational efficiency in fast-paced industrial settings.
Specification Summary & Compliance
This hex nut features a 5/8"-11 UNC thread size with coarse spacing and Class 2B thread fit for precise dimensional accuracy. It is manufactured in accordance with ASTM A194 specifications and meets the mechanical requirements of ASTM Grade 8M. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safety and sustainability in industrial supply chains.
